package com.nmh.config;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;

@Component
public class JWTInter implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //令牌验证
        String tokens = request.getHeader("Authorization");
        String token=tokens.replace("\"","");
        //获取token
//        String token= (String) request.getSession().getAttribute("token");
//        String token= tokens.replace("Bearer ","");
//        System.out.println("token值是:"+token);
        //解析token
        try{
//            System.out.println("解析后的:"+JWT.returnToken(token));
            Map<String,Object> claims=JWT.returnToken(token);
            //放行
            return true;
        }catch(Exception e){
            //不放行
            response.setStatus(401);
            return false;
        }
//        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
